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let mp = new Map(); mp.set("JavaScript", 23); mp.set("Java", 89); mp.set("C", 31); mp.set("C++", 93); mp.set("PHP", 77); for (let entry of mp.entries()) { console.log(entry[0], entry[1]); } /* run: "JavaScript", 23 "Java", 89 "C", 31 "C++", 93 "PHP", 77 */
let mp = new Map(); mp.set("JavaScript", 23); mp.set("Java", 89); mp.set("C", 31); mp.set("C++", 93); mp.set("PHP", 77); for (let [key, value] of mp) { console.log(key, value); } /* run: "JavaScript", 23 "Java", 89 "C", 31 "C++", 93 "PHP", 77 */
const mp = new Map([["typescript", 5], ["javascript", 4], ["nodejs", 9], ["c++", 2]]) mp.forEach((value, key) => { console.log(key, value); }); /* run: "typescript", 5 "javascript", 4 "nodejs", 9 "c++", 2 */